Stacey Solomon has shared the sweet moment her seven month old son Rex started crawling.The Loose Women panellist, who was recently praised by Kerry Katona for showing off her mum tum, has previously mentioned that Rex has been showing signs that he's ready to crawl, but has only just showed off his impressive skills to her 2.6million followers on Instagram.Taking to her Stories, the 30 year old shared a series of clips where her tot could be seen on all fours, shifting his weight from his